7u-13=-6

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Solution for 7u-13=-6 equation: 


Simplifying
7u + -13 = -6

Reorder the terms:
-13 + 7u = -6

Solving
-13 + 7u = -6

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '13' to each side of the equation.
-13 + 13 + 7u = -6 + 13

Combine like terms: -13 + 13 = 0
0 + 7u = -6 + 13
7u = -6 + 13

Combine like terms: -6 + 13 = 7
7u = 7

Divide each side by '7'.
u = 1

Simplifying
u = 1

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